A virtual S4 class to represent a calendar.
Slots
labelA
characterstring specifying the abbreviated label of the time scale.nameA
characterstring specifying the name of the time scale.epochA
numericvalue specifying the epoch year from which years are counted (starting date of the calendar, in years). Allows to define multiple era of a calendar.fixedA
numericvalue specifying the reference date of the calendar (in rata die).directionAn
integerspecifying if years are counted backwards (-1) or forwards (1) fromepoch.yearA
numericvalue giving the average length of the year in solar days.
See also
Other classes:
AD-class,
BC-class,
BCE-class,
BP-class,
CE-class,
GregorianCalendar-class,
JulianCalendar-class,
RataDie-class,
TimeSeries-class,
b2k-class
Other calendar classes:
GregorianCalendar-class,
JulianCalendar-class